import React, {useEffect} from 'react';

function Child(props) {
	useEffect(()=>{
		console.log("挂载Child完成");
		
		return function(){
			console.log("卸载Child完成")
		}
	},[])
	return (
		<div>
			<h3>Child</h3>
		</div>
	);
}

export default Child;